/**
 * Copyright (c) 2018-2028, Chill Zhuang 庄骞 (smallchill@163.com).
 * <p>
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.xcdh.learn.entity;

import com.baomidou.mybatisplus.annotation.TableName;
import com.fasterxml.jackson.annotation.JsonInclude;
import lombok.Data;
import lombok.EqualsAndHashCode;

import java.util.*;

/**
 * 小节或者章节实体类
 *
 *
 * @since 2022-05-30
 */
@Data
@TableName("learn_content")
@EqualsAndHashCode(callSuper = true)
public class Content extends BaseEntity {

    private static final long serialVersionUID = 1L;

    /**
     * 主键
     */
    private Long id;
    /**
     * 书本Id
     */
    private Long bookId;
    /**
     * 名称
     */
    private String name;
    /**
     * 上级
     */
    private Long parentId;


    private Integer type ;

    @Override
    @JsonInclude(JsonInclude.Include.NON_NULL)
    public String[] columns() {
        return Arrays.stream(super.columns()).filter(f-> !Objects.equals(f, "`desc`")).toArray(String[]::new);
    }

    @Override
    @JsonInclude(JsonInclude.Include.NON_NULL)
    public Map<String, Object> getUpdateMap() {
        Map<String, Object> map = super.mapWrapper();
        List<String> cols = Arrays.asList("name" , "parent_id" , "book_id" ,"sort") ;
        Set<String> strings = map.keySet();
        String[] arrayCol = strings.stream().toArray(String[]::new);
        for (String col : arrayCol) {
            if(!cols.contains(col)){
                map.remove(col) ;
            }
        }
        return map;
    }
}
